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Bibliographic Details
Main Author:	Nicolás Arias Velandia
Format:	Artículo científico
Language:	es
Published:	Universidad Pedagógica Nacional 2011
Subjects:	Educación Piaget aprendizaje escolar teorías del aprendizaje sujeto y objeto de conocimiento
Online Access:	https://www.redalyc.org/articulo.oa?id=413635253006
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Aporte de la obra de Piaget a la comprensión de problemas educativos: su posible explicación del aprendizaje Nicolás Arias Velandia Rita Flórez Romero Educación Piaget aprendizaje escolar teorías del aprendizaje sujeto y objeto de conocimiento En este artículo se propone que la teoría de Piaget, como explicación del desarrollo cognitivo, sirve de base a una teoría del aprendizaje. Primero, se plantea que Piaget no se consideraba un investigador ni un teórico de la Educación, pero reconocía intereses comunes entre su proyecto intelectual y el de los investigadores en Educación. Luego, se plantea una posible explicación del aprendizaje de campos de conocimiento escolar usando planteamientos piagetianos. En tercer término se advierten las limitaciones de este proyecto, por medio de la diferencia entre el estudio básico del aprendizaje y el estudio del aprendizaje en el aula de clases. Al final se interpretan estos planteamientos a la luz de la relación entre “sujeto y objeto de conocimiento”. 2011 artículo científico 0120-3916 https://www.redalyc.org/articulo.oa?id=413635253006 es http://www.redalyc.org/revista.oa?id=4136 Revista Colombiana de Educación application/pdf Universidad Pedagógica Nacional Revista Colombiana de Educación (Colombia) Num.60

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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